The Vintage Jansport Brass Bed Expedition Mummy Sleeping Bag is a high-quality and durable outdoor sleeping gear suitable for camping, climbing, and backpacking adventures. This single-person sleeping bag features a down and synthetic blend insulation, with 24 oz of down and 37 oz of polyester fill, providing warmth even in colder temperatures up to -35°F. The mummy shape, nylon lining, and nylon shell material make it lightweight and easy to transport, while the vintage style adds a unique touch to any outdoor experience. With a 4-season rating, this Jansport sleeping bag is a reliable choice for those looking for a comfortable and reliable sleeping solution in the great outdoors.